Photographer: Unknown. Annotations on envelope: ¹6835 sr. - Diapozitiv Karta Krasnoyarsk. udv. mas. 2 ver. v dyuime zacherknuto I k. 204 ¹907. Annotations on negative: N/A. Additional observations: na negative ¹6835 zacherknuto I - 907. Condition of original: srednee, emul'siia otslaivaetsya. Date: not recorded.